InChI=1S/C21H20O14S/c22-8-3-1-7(2-4-8)10-5-9(23)12-15(25)18(28)16(26)13(20(12)34-10)21-19(29)17(27)14(24)11(35-21)6-33-36(30,31)32/h1-5,11,14,17,19,21-22,24-29H,6H2,(H,30,31,32)